Which expression can be used to find 80% of 120? 80% of 120
20%
20%
20%
20%
20%

Is (0,0) a to ? ys x2 - 4 y> 2x-1

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.